Note 14 - Equity (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

Schedule of Stockholders Equity [Table Text Block]

	Common Stock				Additional Paid-in		Accumulated			Other Comprehensive		Total Stockholders'
	Shares		Amount		Capital		Deficit			Income		Equity
Balances at June 30, 2023		71,082,944	$	7,109	$	234,873,128	$	(110,806,181	)	$	—	$	124,074,056
Net loss								(393,066	)				(393,066	)
Issuance of common stock upon exercise of stock options		8,672		—		—		—			—		—
Stock-based compensation		—		—		459,823		—			—		459,823
Balances at September 30, 2023		71,091,616	$	7,109	$	235,332,951	$	(111,199,247	)	$	—	$	124,140,813

	Common Stock						Additional Paid-in			Accumulated			Other Comprehensive		Total Stockholders'
	Shares			Amount			Capital			Deficit			Income		Equity
Balances at December 31, 2022		72,675,190		$	7,268		$	233,957,767		$	(63,804,993	)	$	—	$	170,160,042
Net loss											(4,186,799	)				(4,186,799	)
Issuance of common stock upon exercise of stock options		8,672			—			—			—			—		—
Repurchase of common stock (including excise tax)		(1,736,822	)		(174	)		—			(11,072,337	)		—		(11,072,511	)
Issuance of common stock upon vesting of RSUs		144,576			15			(15	)		—			—		—
Payment of common stock tendered for employee stock-based compensation tax obligations		—			—			(214,794	)		—			—		(214,794	)
Cash dividend ($0.45 per share)		—			—			—			(32,135,118	)		—		(32,135,118	)
Stock-based compensation		—			—			1,589,993			—			—		1,589,993
Balances at September 30, 2023		71,091,616		$	7,109		$	235,332,951		$	(111,199,247	)	$	—	$	124,140,813

	Common Stock				Additional Paid-in		Accumulated			Other Comprehensive		Total Stockholders'
	Shares		Amount		Capital		Deficit			Income		Equity
Balances at June 30, 2022		73,024,147	$	7,302	$	232,942,666	$	(93,181,114	)	$	—	$	139,768,854
Net income		—		—		—		33,040,588			—		33,040,588
Stock-based compensation		—		—		328,685		—			—		328,685
Balances at September 30, 2022		73,024,147	$	7,302	$	233,271,351	$	(60,140,526	)	$	—	$	173,138,127

	Common Stock						Additional Paid-in			Accumulated			Other Comprehensive		Total Stockholders'
	Shares			Amount			Capital			Deficit			Income		Equity
Balances at December 31, 2021		73,543,602		$	7,354		$	226,070,308		$	(51,763,255	)	$	—	$	174,314,407
Net income		—			—			—			34,716,600			—		34,716,600
Repurchase of common stock		(1,474,781	)		(147	)		—			(10,149,557	)		—		(10,149,704	)
Payment of common stock tendered for employee stock-based compensation tax obligations		(1,973	)		—			(12,533	)		—			—		(12,533	)
Issuance of common stock upon vesting of RSUs		132,396			13			(13	)		—			—		—
Issuance of common stock upon exercise of warrants		824,903			82			6,120,696			—			—		6,120,778
Cash dividend ($0.45 per share)		—			—			—			(32,944,314	)		—		(32,944,314	)
Stock-based compensation		—			—			1,092,893			—			—		1,092,893
Balances at September 30, 2022		73,024,147		$	7,302		$	233,271,351		$	(60,140,526	)	$	—	$	173,138,127